Apr 20, 2013 5:30pm PDT
. >> the view from russia tonight. >>> and today, president obama held a meeting in the situation room to get an update on the investigation. the heads of the fbi and cia were there, among others. which leads us to abc's chief global affairs correspondent, martha raddatz. martha, thanks for coming in. we appreciate it. let's talk about the older brother's trip to russia. we know there are islamic militants in this part of russia, but do these people have any history of attacking america? >> not the chechens. they have no history of attacking the america. what investigators will want to find out is whether he went to some sort of training camp, some radical training camp that did have a beef with america. who funded him, if he had any sort of extra funding. did he learn how to build those bombs there, or did he build them on the internet? that's what they'll be looking at and they will interview everybody they possibly can to see where those dark months led. >> if they rule out some sort of foreign plot, and that's a big if at this point, it would make these two brothers, assuming they'